.Window {
position: fixed;
font-family: Arial, Helvetica, sans-serif;
top: 0;
right: 0;
bottom: 0;
left: 0;
background: rgba(0,0,0,0.7);
z-index: 99999;
-webkit-transition: opacity 400ms ease-in;
-moz-transition: opacity 400ms ease-in;
transition: opacity 400ms ease-in;
display: none;
pointer-events: none;
}

.Window:target {
display: block;
pointer-events: auto;
}

.Window > div {
width: 460px;
position: relative;
margin: 10% auto;
padding: 30px 10px 10px;
border-radius: 10px;
background: #fff;
box-shadow: 0px 0px 20px 2px;
}

.close {
background: #cc3300;
color: #FFFFFF;
line-height: 25px;
position: absolute;
right: -12px;
text-align: center;
top: -10px;
width: 24px;
text-decoration: none;
font-weight: bold;
-webkit-border-radius: 12px;
-moz-border-radius: 12px;
border-radius: 12px;
-moz-box-shadow: 1px 1px 3px #000;
-webkit-box-shadow: 1px 1px 3px #000;
box-shadow: 1px 1px 3px #000;
}

.close:hover { background: #990000; }